import pandas as pd

df = pd.DataFrame(
    {
        "语文": [67, 78, 99],
        "数学": [56, 79, 83],
        "英语": [100, 99, 98]
    },
    index=["张三", "李四", "王五"]
)
df2= pd.DataFrame(
    {
        "语文": [67, 78, 99],
        "数学": [56, 79, 83],
        "英语": [100, 99, 98]
    },
    index=["王武", "刘七", "赵八"]
)
pd.concat([df,df2], axis=1)
print(df,df2)